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Finding the Fourth Proportional to 223,463.34, 308,347.32 and 131,527.98

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Solution

The fourth proportional to 223,463.34, 308,347.32 and 131,527.98 is: 181,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,463.34 : 308,347.32 = 131,527.98 : x
  2. Step 2: Convert to fraction form
    223,463.34/308,347.32 = 131,527.98/x
  3. Step 3: Cross multiply
    223,463.34x = 308,347.32 × 131,527.98
  4. Step 4: Simplify right side
    223,463.34x = 40,556,300,138.01
  5. Step 5: Solve for x
    x = 40,556,300,138.01/223,463.34
  6. Step 6: Final answer
    x = 181,489.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.